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12440230 = 2511113093
BaseRepresentation
bin101111011101…
…001010100110
3212102000210021
4233131022212
511141041410
61122345354
7210511615
oct57351246
925360707
1012440230
117027590
1241bb25a
1327674aa
14191b87c
15115aeda
hexbdd2a6

12440230 has 16 divisors (see below), whose sum is σ = 24428304. Its totient is φ = 4523680.

The previous prime is 12440227. The next prime is 12440249. The reversal of 12440230 is 3204421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56437 + ... + 56656.

It is an arithmetic number, because the mean of its divisors is an integer number (1526769).

Almost surely, 212440230 is an apocalyptic number.

12440230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440230 is a deficient number, since it is larger than the sum of its proper divisors (11988074).

12440230 is a wasteful number, since it uses less digits than its factorization.

12440230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113111.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12440230 is about 3527.0710228177. The cubic root of 12440230 is about 231.7089468462.

Adding to 12440230 its reverse (3204421), we get a palindrome (15644651).

The spelling of 12440230 in words is "twelve million, four hundred forty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 113093 226186 565465 1130930 1244023 2488046 6220115 12440230